Article of footwear



FIG. 1 is a front perspective view of an article of footwear in accordance with the design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a front view thereof; and,

FIG. 7 is a rear view thereof.

The broken lines in the drawings represent parts of the footwear that form no part of the claim. 

CLAIM The ornamental design for an article of footwear, as shown and described. 